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SUMMARY:Closing in on the tip of the CMSSM stau-coannihilation strip - Nis
 hita Desai (Heidelberg)
DTSTART:20141202T150000Z
DTEND:20141202T160000Z
UID:TALK56508@talks.cam.ac.uk
CONTACT:Alexander Mitov
DESCRIPTION:The results from Run 1 of the LHC significantly ruled out the 
 parameter of the constrained Minimal Supersymmetric Standard Model (CMSSM)
  — both directly through searches for superpartners and indirectly via t
 he measurement of the Higgs mass.  One of the viable regions in the CMSSM 
 parameter space is the “stau co-annihilation strip”.  The constraints 
 from Run 1 already rule out a large portion of this strip\, leaving a narr
 ow tip that has not been explored in the conventional SUSY searches. Near 
 the tip of the coannihilation strip\, the astrophysical cold dark matter d
 ensity constraint forces the stau-neutralino mass difference to be small r
 esulting in long-lived staus which may result in more exotic signatures.  
 We combine limits from searches for these signatures with those from conve
 ntional missing ET searches during LHC Run 1\, identifying the small remai
 ning parts of the CMSSM stau-coannihilation region that have not yet been 
 excluded\, and discussing how they may be explored during Run 2 of the LHC
 .
LOCATION:Rutherford Seminar Room B
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